Question

Predict whether reactions should occur between aqueous solutions of the following compounds. If so, write balanced molecular and net ionic equations for the reactions. Include physical states.
a. (NH4)2CO3 and CrCl3
b. Ba(OH)2 and HCl
c. FeCl3 and NaOH
d. Ca(HCO3)2 and HNO3

Answer 1

You need to know solubility rules for this question. Here is a simplified set of rules. Memorize them.
http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html