Generally, no. Most 110V appliances are not designed to work with 220V electrical systems and may not function properly or may even be damaged if they are used with a 220V power source. This is because the voltage rating of an appliance is an important factor in determining how much power it can safely handle, and different appliances are designed to operate at different voltage levels.
If you want to use a 110V appliance in a country that uses 220V electrical systems, you will need a voltage converter that can reduce the voltage from 220V to 110V. These converters are readily available and can be purchased online or at electronics stores.
It's important to note that not all voltage converters are suitable for all appliances. Before purchasing a voltage converter, it's important to make sure that it's capable of handling the power requirements of the appliance you want to use.