Determine what color would the ch2cl2 be

Question

Suppose you put 1 ml of CH₂Cl₂ into a test tube with1 ml of KI (aq). Then you add a small amount of a metal salt, MNO₃ (aq), and shake the mixture.
1. If the M⁺ reacts with, and oxidizes the I^-, determine what color would the CH₂Cl² be? Explain and give any relevant reactions.
2. What color would the CH₂Cl₂ be if the M⁺ does not react with the I^-? Explain.