The IUPAC name of [Ag(NH3)2][Ag(CN)2] coordination compound is di ammine silver (I) dicyano argentate (I).
The name of the cation is written first followed by the name of the anion.
A complex cation is named by naming the ligands and then the metal ion. The oxidation number of the metal ion is written next to the metal ion in Roman number in parenthesis.
A complex anion is named by naming the ligands and then the name of the metal ion ending with suffix -ate. The oxidation number of the metal ion is written next to the metal ion in Roman number in parenthesis.