I think if you look at the entire population, the Jewish makeup 4 million, and the Palestinians about 8 million. When you sum up the populations across both countries.

One problem of direct democracies is the tyranny of the majority. So that would have to be addressed here with some sort of representative government, and a strong constitution that doesn’t allow one group to run rough over the other group. It would be the devil in the details, but it’s important