Consequences of POS fork?

Once the Ethereum chain is forked into a POW chain and a POS chain, will Eth holders be airdropped an equivalent amount of Eth?

I’m asking because this is what seemed to have happened with the Bitcoin forks where all HODLers essentially got double their stack and got to pick which chain they were going to support?

I’d love some insights into this and find out where I can learn more

Mods: Sorry in advance if this breaks any rules