YES!!! All nitrates are soluble.
Lead Nitrate
Since all nitrates are soluble in water, you would get a mixture of Potassium ions and Nitrate ions floating around in water.
Chloroform is not soluble in water. There are no Cl- ions and no reaction with AgNO3.
Hydrated sodium, sulfate, silver, and nitrate ions. (The ions already exist in the sodium sulfate and silver nitrate solids, but may not be hydrated there.) since silver sulfate is not very soluble in water, most of the silver and sulfate ions will be removed from the water as solid precipitate, but some hydrated ions will remain in solution.
Nitrate, NO3- ion, is not an element, so it is useless to classify as (non-)metal. When combined with metal ions it becomes a (soluble) salt.
Lead Nitrate
Potassium nitrate is soluble in water, as it is an ionic solid. When dissolved in water, potassium nitrate will form an aqueous solution of potassium and nitrate ions.
Since all nitrates are soluble in water, you would get a mixture of Potassium ions and Nitrate ions floating around in water.
Chloroform is not soluble in water. There are no Cl- ions and no reaction with AgNO3.
Hydrated sodium, sulfate, silver, and nitrate ions. (The ions already exist in the sodium sulfate and silver nitrate solids, but may not be hydrated there.) since silver sulfate is not very soluble in water, most of the silver and sulfate ions will be removed from the water as solid precipitate, but some hydrated ions will remain in solution.
Nitrate, NO3- ion, is not an element, so it is useless to classify as (non-)metal. When combined with metal ions it becomes a (soluble) salt.
Sodium nitrate, potassium nitrate and calcium nitrate are all water soluble.
soluble
Lead nitrate is soluble in cold water.
Zinc nitrate is very soluble in water.
When silver nitrate, a soluble solution, is mixed with a carbonate solution a precipitation reaction (double replacement reaction) takes place forming nitrate ions and the insoluble solid silver carbonate.
Essentially ALL the metallic nitrates are soluble, even mercurous nitrate, perhaps the only mercurous salt that is soluble.