What do you think will happen in the play based upon what happens in act 1 scene 5 in Macbeth?

I can't answer because I have seen the play many times and acted in it so I know how it comes out. However, from this scene, especially Lady Macbeth's last line "Leave all the rest to me" and the end of her prayer "that my keen knife see not the wound it makes" you would get the impression that it was her plan to do the stabbing herself, and not browbeat Macbeth into doing it.