J.R. S. answered 03/10/19
Ph.D. University Professor with 10+ years Tutoring Experience
Mg + Fe(NO3)2 ==> Fe + Mg(NO3)2 complete molecular
Mg(s) + Fe2+(aq) + 2NO3-(aq) => Fe(s) + Mg2+(aq) + 2NO3-(aq)
This is total ionic. The net ionic is ...
Mg(s) + Fe2+(aq) ==> Mg2+(aq) + Fe(s). Net ionic (redox)