It depends on if you both have the same make & model, not all radios will communicate on the same channel as the frequency can be slightly different
Even though my radios are made by the same company, I had to program the frequencies in to match my other radio so now they work together
If you have a radio that can be programmed in your hand with all the correct frequency info then yes it can work but without said info, then no it won't work (as I found out & later corrected)