Which of these illustrates the reaction?
Pb(NO_{3})_{2}(aq) + 2NaI(aq) -> PbI_{2}(s) + 2NaNO_{3}(aq)
L_{2}N(aq) + SI(aq) -> L_{2}I(s) + SN(aq)
Pb_{2}N(aq) + NaI(aq) -> Pb_{2}I(s) NaN(aq)
Fe(NO_{3})_{2}(aq) + 2NaI(aq) -> FeI_{2} + 2NaNO_{3}(aq)