Describe the process by which ag+ ions are precipitated out of solution

By adding a substance releasing a precipitating anion.

Explanation:

Hello,

In this case, silver precipitated out from substances such a silver nitrate which is largely soluble in water could be obtained via looking for another substance that when in solution, completely dissociates forming an anion in order to react with the silver cations released by the silver nitrate (just as an example because it could be any silver-releasing salt or compound) to form a poorly soluble silver substance. One of the widely used anions to precipitate silver out is the chloride one which yields a white precipitate of silver nitrate, this is attained via the drop-by-drop (qualitative) or the stiochiometric (quantitative) addition of the chloride-based salt which leads to the formation of the required precipitate.

Best regards.