yellowflyingparachute

Could someone help me with this question its quite hard A student has a mixture of Ca(oh)2 and Cuso4. What observations will he observe when he adds each of the foloowing: 1. Water 2. Nitric Acid 3. Filter the mixture with H2SO4 4. Use this filter and add ammonia 5. Use this filter and add KI 6. Use this filter and add Fehlings Solution and place in a water bath.