1. Reactions in aqueous solutions:
AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq)
When you separate into ions all substances in solution, you write a complete ionic equation:
Ag+(aq) + NO3–(aq) + Na+(aq) + Cl–(aq) → AgCl(s) + Na+(aq) + NO3–(aq)
If you rewrite the equation leaving out the spectator ions, you have the net ionic equation:
Ag+(aq) + Cl–(aq) → AgCl(s) (Net ionic equation)

2. Fe3+(aq) + 3OH–(aq) → Fe(OH)3(s) (Net Ionic Equation)
Example: Write the net ionic equation for the
following reaction:
FeCl3(aq) + 3 KOH(aq) → Fe(OH)3(s) + 3 KCl(aq)
Fe3+(aq)+ 3Cl–(aq)+ 3K+(aq)+ 3OH–(aq) → Fe(OH)3(s)+ 3K+(aq)+ 3Cl–(aq)
Fe3+(aq) + 3OH–(aq) → Fe(OH)3(s) (Net Ionic Equation)