Solid NaI is slowly added to a solution that is 0.010 M in Cu1 and 0.010 M

Question:

Solid NaI is slowly added to a solution that is 0.010 M in Cu1 and 0.010 M in Ag1.
(a) Which compound will begin to precipitate first?
(b) Calculate [Ag1] when CuI just begins to precipitate.
(c) What percent of Ag1 remains in solution at this point?