Crucial guarantees compatibility, so it will work -- but if you're expecting it to run at 5600 MHz, it won't;  it will downclock.  
I wanted to know the crucial ram- ddr5 5600mhz ram is compactible with Dell g15 5520 model as the website states that it is compactible with 4800mhz. But the crucial site says 5600mhz is compactible : Crucial 16GB DDR5-5600 SODIMM | CT16G56C46S5 | Crucial IN
Ram upgrade