Hoping someone you hate to die?

So the question is "is it evil to pray for someone to die?"

As for me, I think there must be something is wrong going hell to do with the person who cursed that due to that statement carries a lot of sins. No matter how much you hate the person, you should never curse or hoping someone to die, I am not a believer but I trust in karma that what goes around comes around. I always believe by saying that is much more cruel than you kill that person because if you do, you are doing it yourself, yet if you hope/pray, you are asking the God to get the job done. Its more like abusing the power of nature to fulfill your task, in the dark side because you see, praying someone to die comes from a very evil heart, like in movie or in bible, they call it "Satan". For Atheist like me or someone who only trust himself, you name it, i would just say that word comes from a bad heart and negative mindset attached with low EQ. 

So what would God says?  I do not know but i think God would want you to accept the person as they are even if their evil. You are cursing someone and bringing trials upon yourself. But if its for people that I love who is suffering in pain due to disease, hoping him/her to die peacefully is to pray for a release of pain of the suffering person and that is asking for mercy to be granted. And if i really do have God in me, i would pray that God would touch the person I hate and change him to a better person because if you sow hatred, it will come back to you, pray to change of heart, not for their death. So do, if you have a friend who wanting someone else to die, you should pray that God will touch him/her to release the poison in his/her heart.

Anyway, it's undeniable nowadays, people are cursing everywhere but if you do not mean what you said, then its fine. But if you cursed the person and you mean it during your climax emotion, and you realize its wrong, then you should apologize because when one person speaks, another person hears, if you curse a person, that person is cursed. You may forgive yourself for saying such, but you did not release the curse from that person. It is a sin that will hit you back, your family and your entire generations.