When aqueous solutions of AgNO 3 and KI are mixed, AgI precipitates. The balanced net ionic equation is . Ag (aq) I- (aq) AgI (s) Ag (aq) NO3- (aq) AgNO3 (s) Ag (aq) NO3- (aq) AgNO3 (aq) AgNO3 (aq) KI (aq) AgI (s) KNO3 (aq) AgNO3 (aq) KI (aq) AgI (aq) KNO3 (s)

Ag⁺(aq) + Cl⁻(aq) ==> AgCl(s)

Explanation:

The net ionic equation can be described as the equation that contains only those species which would be participated in the chemical reaction. The spectator ions are the type of the ions that are present in both sides of the chemical equation these ions could not be present in the net ionic equation

First, it is easiest if you write the compete molecular equation:

AgNO₃(aq) + KCl(aq) ⇔ AgCl(s) + KNO₃(aq)

we look up which compounds are soluble (aq) and which are not (s). In this case, silver chloride (AgCl) is not soluble.  Thus, the net ionic equation is...  

Ag⁺(aq) + Cl⁻(aq) ==> AgCl(s)