Proposing a one state solution where Israel is dismantled and all citizens become Palestinian is racist.
The Green motion describes Zionism as an ideology supporting "an ethnonationalist Jewish state", and supports instead a "single democratic Palestinian state in all of historic Palestine".
https://www.bbc.co.uk/news/articles/cjr4yx9663q6o
We can robustly denounce Zionism and Genocide and the illegal occupation of land by the current Israeli government, but the answer isn't reverse racism.