These are redox reactions. There are two commonly used approaches to balancing redox reactions - using half reactions, and using oxidation numbers. I bet you are expected to use one of them - do you know which one?
I thought posting final solutions without a real need is against forum rules.
Maybe, but he asked 2 days ago and is still 'confused' so I though I might as well give the equations. I dont know why people have trouble with this though, it took me 2 seconds of google searching to come across them.