Question

what is the reaction with sodium hydroxide for the following metals:
Al3+
Fe3+
Mn2+
Ni2+
Zn2+

Answer 1

See the response by Bob Pursley to your question above on Fe and Mn. Here is a simplified solubility table. http://www.files.chem.vt.edu/RVGS/ACT/notes/solubility_rules.html