Complete the following equations (note that the equations are not balanced). Use the activity series if necessary.

A) 2Al + 6HCl -> 2AlCl3 + 3H2
B) AlCl3 + 3Ag -> Al + 3AgCl
C) 3Mg + 2Ca(OH)2 -> 3Mg(OH)2 + 2Ca
D) Mg + 2H2O -> Mg(OH)2 + H2