(flÄt) n. 1. A number of warships operating together under one command. 2. A number of vessels having a shared origin, purpose, or area of operation: the Japanese merchant fleet; the North Pacific fishing fleet. 3. A group of vehicles, such as taxicabs or airliners, owned or operated as a unit.
No AgCl is not soluble, the reasoning of it being soluble because NaCl is, is incorrect. NaCl is soluble because it is a group 1 metal. AgCl is no because it forms a precipitate.
Assuming you mean potassium chloride (KCl), yes it's freely soluble in water. It is a salt meaning it dissociates into a cation K+ and an anion Cl-. Aqueous titration are run routinely with electrodes containing very high concentrations of KCl. Without this compound in your body your heart would stop beating.