dream of my mom trying to commit suicide?

It could be that your mother might be going through something in her life and you are picking up on those vibes. It can be difficult for chidren to provide comfort at their parent's times of need, because all their lives they have been on the receiving end of their parent's nurturing. But your mother could be in a state of some emotional need and this might have caused you to have a dream where she does these drastic acts. Death in dreams can symbolically mean "change". And there could be something going on at home that giving you signals that things have changed - even something your mother might be going through.

Mothers are only human and they have their own times of need. If you think she might need some help, then you can choose to comfort her and/or suggest that she do things that will help allieviate anything that might be a cause of stress in her life. She's still got to be your mother, so I don't advocate role reversal, but if there is something you can do (if she is currently in a needy state) then be sensitive to what you can do to provide some help - maybe even approach another relative or a friend of hers. :)