Yes, when you put water into the freezer, it will eventually turn into ice. The freezer's low temperature causes the water molecules to lose energy and slow down, eventually forming a solid state as ice. The freezing process is a phase change from liquid to solid, and it occurs at the freezing point of water, which is 0 degrees Celsius (32 degrees Fahrenheit) or 273.15 Kelvin.
As the water cools down in the freezer, its temperature gradually drops below the freezing point. When the water molecules reach a low enough temperature, they start forming a crystal lattice structure, and this is when the liquid water transforms into solid ice. The process of freezing can take some time, depending on the amount of water and the temperature of the freezer, but eventually, the water will solidify into ice.