Answer
$\therefore$ No, We cannot float more easily in water on this planet than on earth, In fact, we will float in the same way on both the planets
Work Step by Step
For floating the Buoyant force must be equal to the Weight of the man.
$$F_B = W_{\text{man}}$$
$$F_B = M_{\text{man}}\times g$$
Also
$$F_B = \rho_{\text{liquid}}\times\ V_{\text{man}}\times g$$
$$\therefore M_{\text{man}}\times g= \rho_{\text{liquid}}\times\ V_{\text{man}}\times g$$
From the above Equation 'g' will get cancelled
Hence, we cannot float more easily in water on this planet than on earth.
