HELP HELP HELP!! Chemistry! 99 + POINTS!!!

1.
Balance the following equations and identify the type of reaction.
a.
Ag + S Ag2S
b.
Ca(OH)2 + HCl CaCl2 + _ H2O
c.
_ C4H10 + _ O2 _ CO2 + _ H2O
d.
_ KClO3 _ KCl + _ O2
e.
_ AgNO3 + Cu Cu(NO3)2 + _ Ag