The IUPAC name of the complex $[\text{Ag}({\text{H}}_2\text{O}{)}_2][\text{Ag}(\text{CN}{)}_2]$ is:

1. Cationic part: $[\text{Ag}({\text{H}}_2\text{O}{)}_2{]}^{+}$. Name: diaquasilver(I).2. Anionic part: $[\text{Ag}(\text{CN}{)}_2{]}^{-}$. Name: dicyanidoargentate(I).The metal in the cation retains its English name; in the anion, it ends in '-ate' (Argentate). The oxidation state of Ag in both is $+1$.Full name: diaquasilver(I)dicyanidoargentate(I).